CN104372178B - Complex body soaks golden agent and preparation method thereof - Google Patents
Complex body soaks golden agent and preparation method thereof Download PDFInfo
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- CN104372178B CN104372178B CN201410333278.0A CN201410333278A CN104372178B CN 104372178 B CN104372178 B CN 104372178B CN 201410333278 A CN201410333278 A CN 201410333278A CN 104372178 B CN104372178 B CN 104372178B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The invention provides a kind of applied widely, safe and reliable complex body and soak golden agent and preparation method thereof.Complex body of the present invention soaks golden agent, and adopt urea 65 ~ 70wt%, catalyzer 0.5 ~ 2wt%, complexing agent 0.5 ~ 5wt%, stablizer 5 ~ 20wt%, fusing assistant 10 ~ 20wt% forms through high temperature pyrolysis combination reaction.Complex body of the present invention soaks golden agent, can form complex compound with multiple precious metal ion, can promptly form ligand with precious metal gold and silver etc. and dissolve.Be applicable to oxidized ore, raw gold ore, kustelite, limonite, high-sulfur ore deposit, high arsenic ferrate flocculent ore deposit, cyaniding tailing, gold ore etc. all containing gold mine material, be also used in electronic waste gilding.
Description
Technical field
The present invention relates to golden agent of a kind of leaching and preparation method thereof, especially a species complex soaks golden agent and preparation method thereof.
Background technology
The golden agent of existing leaching is sodium cyanide, and sodium cyanide has severe toxicity, and can not be suitable for all gold mines, limits the use of soaking golden agent.
Summary of the invention
The invention provides a kind of applied widely, safe and reliable complex body and soak golden agent and preparation method thereof.
The complex body realizing one of the object of the invention soaks golden agent, and adopt urea 65 ~ 70wt%, catalyzer 0.5 ~ 2wt%, complexing agent 0.5 ~ 5wt%, stablizer 5 ~ 20wt%, fusing assistant 10 ~ 20wt% forms through high temperature pyrolysis combination reaction;
Described catalyzer is one or more in ammonium sulfate, ammonium chloride, zinc oxide;
Described complexing agent is trisodium phosphate and/or tripoly phosphate sodium STPP;
Described stablizer is one or more in water glass, sodium bicarbonate and sodium sulphite;
Described fusing assistant is one or more in calcium oxide and/or aluminum oxide and calcium carbonate.
The complex body realizing the object of the invention two soaks the preparation method of golden agent, comprises the steps:
(1) be that main raw material adds catalyzer, fusing assistant, complexing agent, stablizer and heats in resistant to elevated temperatures stainless steel industry electric furnace and carry out high temperature pyrolysis combination reaction with urea;
(2), after question response thing has reacted, released by molten mass in stove, Temperature fall obtains complex body and soaks golden agent.
Temperature of reaction in described step (1) controls at 850 degrees centigrade.
The beneficial effect that complex body of the present invention soaks golden agent and preparation method thereof is as follows:
1, complex body of the present invention soaks golden agent, can form complex compound with multiple precious metal ion, can promptly form ligand with precious metal gold and silver etc. and dissolve.Be applicable to oxidized ore, raw gold ore, kustelite, limonite, high-sulfur ore deposit, high arsenic ferrate flocculent ore deposit, cyaniding tailing, gold ore etc. all containing gold mine material, be also used in electronic waste gilding.
2, constant product quality of the present invention, production technique is simple; Soak that stability in golden process is high, to soak golden rate high, security higher (waste solution animal drinks toxicological harmless), the leaching gold cycle is short; To equipment non-corrosiveness, be applicable to commercial scale production.
3, complex body of the present invention soaks in golden agent and contains calcium cyanamide and NaDCC, has inhibiting composition to arsenic, mispickel, sulphur, effectively controls the passivation in the golden process of leaching.
Embodiment
Complex body of the present invention soaks golden agent, and adopt urea 65 ~ 70wt%, catalyzer 0.5 ~ 2wt%, complexing agent 0.5 ~ 5wt%, stablizer 5 ~ 20wt%, fusing assistant 10 ~ 20wt% forms through high temperature pyrolysis combination reaction;
Described catalyzer is one or more in ammonium sulfate, ammonium chloride, zinc oxide;
Described complexing agent is trisodium phosphate and/or tripoly phosphate sodium STPP;
Described stablizer is one or more in water glass, sodium bicarbonate and sodium sulphite;
Described solubility promoter is one or more in calcium oxide, aluminum oxide and calcium carbonate.
Complex body of the present invention soaks the preparation method of golden agent, comprises the steps:
(1) be that main raw material adds catalyzer, fusing assistant, complexing agent, stablizer and heats in resistant to elevated temperatures stainless steel industry electric furnace and carry out high temperature pyrolysis combination reaction with urea, temperature of reaction controls at 850 degrees centigrade;
(2), after question response thing has reacted, released by molten mass in stove, Temperature fall obtains complex body and soaks golden agent.
Its composition of complex body that urea generates in pyrolysis, condensation, combination reaction process includes: calcium cyanamide, calcium polysulfide, NaDCC, cyanuric acid sodium, alkaline thiourea etc.Wherein cyanurate is that inhibitor can effectively control to soak passivation in golden process; Calcium polysulfide has active stronger negatively charged ion, in the presence of an oxidizer, even if activator is stablizer again in the system of molten gold, can form the ligand of gold; Alkaline thiourea, cyanuric acid sodium have significant selectivity in the golden process of leaching, form complex compound, have corresponding adaptability to dissimilar mineral with gold; Calcium cyanamide can change into thiocarbamide and react with gold ion in basic solution.There is when pyrolytic reaction a certain amount of ammonia to release, absorb through air pump and enter reaction system to maintain molecular balance.
Embodiment 1
Select raw material: urea 600kg, calcium oxide 100Kg, calcium carbonate 50kg, sodium bicarbonate 50kg, sodium sulphite 50kg, zinc oxide 5kg, trisodium phosphate 5kg, water glass 5kg, aluminum oxide 1kg, ammonium sulfate 5kg.
After abundant for above raw material stirring and evenly mixing, joining in stainless steel high temperature stove heats up carries out pyrolysis condensation reaction.Be raised in 850 degrees centigrade observation stoves in temperature and namely reacted after the complete melting of raw material, blowing Temperature fall at once, obtains complex body and soaks golden agent product after cooling.
Embodiment 2
Select raw material: urea 680kg, calcium oxide 150kg, sodium bicarbonate 190kg, tripoly phosphate sodium STPP 10kg, aluminum oxide 2kg, ammonium chloride 10kg.
After abundant for above raw material stirring and evenly mixing, joining in stainless steel high temperature stove heats up carries out pyrolysis condensation reaction.Be raised in 850 degrees centigrade observation stoves in temperature and namely reacted after the complete melting of raw material, blowing Temperature fall at once, obtains complex body and soaks golden agent product after cooling.
Embodiment 3
Select raw material: urea 600kg, zinc oxide 17kg, trisodium phosphate 44kg, water glass 132kg, calcium carbonate 90kg.
Embodiment 4
Select raw material: urea 700kg, ammonium sulfate 5kg, tripoly phosphate sodium STPP 5kg, sodium sulphite 90kg, calcium oxide 200kg.
The most outstanding feature of the present invention take urea as main raw material, is equipped with the complex body that different chemical auxiliary agent obtains heterogeneity and soaks golden immunomodulator compounds, can carry out material allocation produce a desired effect for different mineral.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; do not departing under the present invention designs spiritual prerequisite; the various distortion that the common engineering technical personnel in this area make technical solution of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (3)
1. a species complex soaks golden agent, and adopt urea 65 ~ 70wt%, catalyzer 0.5 ~ 2wt%, complexing agent 0.5 ~ 5wt%, stablizer 5 ~ 20wt%, fusing assistant 10 ~ 20wt% forms through high temperature pyrolysis combination reaction;
Described catalyzer is one or more in ammonium sulfate, ammonium chloride, zinc oxide;
Described complexing agent is trisodium phosphate and/or tripoly phosphate sodium STPP;
Described stablizer is one or more in water glass, sodium bicarbonate and sodium sulphite;
Described solubility promoter is one or more in calcium oxide, aluminum oxide, calcium carbonate.
2. complex body according to claim 1 soaks a preparation method for golden agent, comprises the steps:
(1) be that main raw material adds catalyzer, fusing assistant, complexing agent, stablizer and heats in resistant to elevated temperatures stainless steel industry electric furnace and carry out high temperature pyrolysis combination reaction with urea;
(2), after question response thing has reacted, released by molten mass in stove, Temperature fall obtains complex body and soaks golden agent.
3. complex body according to claim 2 soaks the preparation method of golden agent, it is characterized in that: the temperature of reaction in described step (1) controls at 850 degrees centigrade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333278.0A CN104372178B (en) | 2014-07-14 | 2014-07-14 | Complex body soaks golden agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410333278.0A CN104372178B (en) | 2014-07-14 | 2014-07-14 | Complex body soaks golden agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104372178A CN104372178A (en) | 2015-02-25 |
| CN104372178B true CN104372178B (en) | 2016-03-23 |
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| CN201410333278.0A Expired - Fee Related CN104372178B (en) | 2014-07-14 | 2014-07-14 | Complex body soaks golden agent and preparation method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886780A (en) * | 2016-06-27 | 2016-08-24 | 董博文 | Agent for non-cyanide efficient leaching of gold in gold-bearing material |
| CN107287437B (en) * | 2016-10-24 | 2019-03-05 | 中南大学 | A kind of leaching gold method reducing thiosulfate dosage |
| CN107699709A (en) * | 2017-10-20 | 2018-02-16 | 广西南宁晴空万里环保科技有限公司 | Environment-friendly and low-toxicity mineral dressing additive for gold mine and preparation method thereof |
| CN109957665B (en) * | 2017-12-22 | 2021-11-19 | 有研资源环境技术研究院(北京)有限公司 | In-situ environment-friendly heap leaching process for gold-containing tailings |
| CN108998666B (en) * | 2018-07-27 | 2019-07-30 | 中南大学 | A method of soaking gold from arsenic-containing gold ore |
| CN109593960B (en) * | 2019-01-07 | 2020-07-24 | 山东联盟磷复肥有限公司 | Environment-friendly gold leaching agent and preparation method thereof |
| CN113430393A (en) * | 2021-06-25 | 2021-09-24 | 甘肃省地质矿产勘查开发局第三地质矿产勘查院 | Environment-friendly gold leaching agent and preparation method and application thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101012511B (en) * | 2007-02-12 | 2011-01-19 | 长春黄金研究院 | Method for eliminating calcium ion effect in gold ore bulk leaching by using descaling agent |
| CN101363081B (en) * | 2008-10-09 | 2011-01-12 | 吉林大学 | Nontoxic process for extraction gold from gold-bearing tailing |
| CN102154561A (en) * | 2011-05-23 | 2011-08-17 | 长春黄金研究院 | Non-cyanide gold leaching method for refractory gold concentrate |
| CN102321807B (en) * | 2011-07-13 | 2015-07-29 | 广西富皇矿业有限公司 | The production of environment-friendly type precious metal dressing agent and using method |
| CN103981374B (en) * | 2014-05-19 | 2015-11-18 | 中国科学院兰州化学物理研究所 | A kind of environmentally friendly cyanate soaks the synthetic method of golden agent |
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